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An 8.0 g ice cube at -10°C is put into a Thermos flask containing 100 cm³ of water at 20°C. (a) What is the equilibrium temperature of the ice-water mixture? (b) What is the entropy change of the ice (including the melting of the ice and possible warming of the water from the melted ice)? (c) What is the entropy change of the water as it cools down? (d) What is the total entropy change of the ice-water system? (e) Include a labeled graph of temperature versus heat added for this situation. Given the following values: Pice = 917 kg/m³, Pwater = 1 000 kg/m³, Cice=2 090 J/kg-K, Cwater = 4 186 J/kg-K, L=3.33 × 10³ J/kg, and Ly=2.26 x 106 J/kg.

An 8.0 g ice cube at -10°C is put into a Thermos flask containing 100 cm³ of water at 20°C. (a) What is the equilibrium temperature of the ice-water mixture? (b) What is the entropy change of the ice (including the melting of the ice and possible warming of the water from the melted ice)? (c) What is the entropy change of the water as it cools down? (d) What is the total entropy change of the ice-water system? (e) Include a labeled graph of temperature versus heat added for this situation. Given the following values: Pice = 917 kg/m³, Pwater = 1 000 kg/m³, Cice=2 090 J/kg-K, Cwater = 4 186 J/kg-K, L=3.33 × 10³ J/kg, and Ly=2.26 x 106 J/kg.

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An 8.0 g ice cube at -10°C is put into a Thermos flask containing 100 cm³ of water at 20°C. (a) What is the equilibrium temperature of the ice-water mixture? (b) What is the entropy change of the ice (including the melting of the ice and possible warming of the water from the melted ice)? (c) What is the entropy change of the water as it cools down? (d) What is the total entropy change of the ice-water system? (e) Include a labeled graph of temperature versus heat added for this situation. Given the following values: Pice = 917 kg/m³, Pwater = 1 000 kg/m³, Cice=2 090 J/kg-K, Cwater = 4 186 J/kg-K, Lr=3.33 × 10³ J/kg, and Ly= 2.26 x 106 J/kg.
Transcribed Image Text:An 8.0 g ice cube at -10°C is put into a Thermos flask containing 100 cm³ of water at 20°C. (a) What is the equilibrium temperature of the ice-water mixture? (b) What is the entropy change of the ice (including the melting of the ice and possible warming of the water from the melted ice)? (c) What is the entropy change of the water as it cools down? (d) What is the total entropy change of the ice-water system? (e) Include a labeled graph of temperature versus heat added for this situation. Given the following values: Pice = 917 kg/m³, Pwater = 1 000 kg/m³, Cice=2 090 J/kg-K, Cwater = 4 186 J/kg-K, Lr=3.33 × 10³ J/kg, and Ly= 2.26 x 106 J/kg.
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